diff --git a/examples/x11-foreign.c b/examples/x11-foreign.c
index 701256263..2bf97bc30 100644
--- a/examples/x11-foreign.c
+++ b/examples/x11-foreign.c
@@ -10,7 +10,7 @@ update_cogl_x11_event_mask (CoglOnscreen *onscreen,
                             guint32 event_mask,
                             void *user_data)
 {
-  XDisplay *xdpy = user_data;
+  Display *xdpy = user_data;
   XSetWindowAttributes attrs;
   guint32 xwin;